chore: enforce erasable TypeScript syntax

packages/coding-agent/src/modes/interactive/components/countdown-timer.ts

@@ -7,13 +7,14 @@ import type { TUI } from "@earendil-works/pi-tui";
 export class CountdownTimer {
 	private intervalId: ReturnType<typeof setInterval> | undefined;
 	private remainingSeconds: number;
+	private tui: TUI | undefined;
+	private onTick: (seconds: number) => void;
+	private onExpire: () => void;
 
-	constructor(
-		timeoutMs: number,
-		private tui: TUI | undefined,
-		private onTick: (seconds: number) => void,
-		private onExpire: () => void,
-	) {
+	constructor(timeoutMs: number, tui: TUI | undefined, onTick: (seconds: number) => void, onExpire: () => void) {
+		this.tui = tui;
+		this.onTick = onTick;
+		this.onExpire = onExpire;
 		this.remainingSeconds = Math.ceil(timeoutMs / 1000);
 		this.onTick(this.remainingSeconds);
 

packages/coding-agent/src/modes/interactive/components/footer.ts

@@ -32,11 +32,13 @@ function formatTokens(count: number): string {
  */
 export class FooterComponent implements Component {
 	private autoCompactEnabled = true;
+	private session: AgentSession;
+	private footerData: ReadonlyFooterDataProvider;
 
-	constructor(
-		private session: AgentSession,
-		private footerData: ReadonlyFooterDataProvider,
-	) {}
+	constructor(session: AgentSession, footerData: ReadonlyFooterDataProvider) {
+		this.session = session;
+		this.footerData = footerData;
+	}
 
 	setSession(session: AgentSession): void {
 		this.session = session;

packages/coding-agent/src/modes/interactive/components/login-dialog.ts

@@ -15,6 +15,7 @@ export class LoginDialogComponent extends Container implements Focusable {
 	private abortController = new AbortController();
 	private inputResolver?: (value: string) => void;
 	private inputRejecter?: (error: Error) => void;
+	private onComplete: (success: boolean, message?: string) => void;
 
 	// Focusable implementation - propagate to input for IME cursor positioning
 	private _focused = false;
@@ -29,12 +30,13 @@ export class LoginDialogComponent extends Container implements Focusable {
 	constructor(
 		tui: TUI,
 		providerId: string,
-		private onComplete: (success: boolean, message?: string) => void,
+		onComplete: (success: boolean, message?: string) => void,
 		providerNameOverride?: string,
 		titleOverride?: string,
 	) {
 		super();
 		this.tui = tui;
+		this.onComplete = onComplete;
 
 		const providerInfo = getOAuthProviders().find((p) => p.id === providerId);
 		const providerName = providerNameOverride || providerInfo?.name || providerId;

packages/coding-agent/src/modes/interactive/components/tree-selector.ts

@@ -1056,7 +1056,11 @@ class TreeList implements Component {
 
 /** Component that displays the current search query */
 class SearchLine implements Component {
-	constructor(private treeList: TreeList) {}
+	private treeList: TreeList;
+
+	constructor(treeList: TreeList) {
+		this.treeList = treeList;
+	}
 
 	invalidate(): void {}
 

packages/coding-agent/src/modes/interactive/interactive-mode.ts

@@ -147,14 +147,19 @@ function isExpandable(obj: unknown): obj is Expandable {
 }
 
 class ExpandableText extends Text implements Expandable {
+	private readonly getCollapsedText: () => string;
+	private readonly getExpandedText: () => string;
+
 	constructor(
-		private readonly getCollapsedText: () => string,
-		private readonly getExpandedText: () => string,
+		getCollapsedText: () => string,
+		getExpandedText: () => string,
 		expanded = false,
 		paddingX = 0,
 		paddingY = 0,
 	) {
 		super(expanded ? getExpandedText() : getCollapsedText(), paddingX, paddingY);
+		this.getCollapsedText = getCollapsedText;
+		this.getExpandedText = getExpandedText;
 	}
 
 	setExpanded(expanded: boolean): void {
@@ -334,6 +339,8 @@ export class InteractiveMode {
 	// Custom header from extension (undefined = use built-in header)
 	private customHeader: (Component & { dispose?(): void }) | undefined = undefined;
 
+	private options: InteractiveModeOptions;
+
 	// Convenience accessors
 	private get session(): AgentSession {
 		return this.runtimeHost.session;
@@ -348,11 +355,9 @@ export class InteractiveMode {
 		return this.session.settingsManager;
 	}
 
-	constructor(
-		runtimeHost: AgentSessionRuntime,
-		private options: InteractiveModeOptions = {},
-	) {
+	constructor(runtimeHost: AgentSessionRuntime, options: InteractiveModeOptions = {}) {
 		this.runtimeHost = runtimeHost;
+		this.options = options;
 		this.runtimeHost.setBeforeSessionInvalidate(() => {
 			this.resetExtensionUI();
 		});